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Finding the Fourth Proportional to 144,586.74, 199,529.67 and 80,924.54

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Solution

The fourth proportional to 144,586.74, 199,529.67 and 80,924.54 is: 111,675.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,586.74 : 199,529.67 = 80,924.54 : x
  2. Step 2: Convert to fraction form
    144,586.74/199,529.67 = 80,924.54/x
  3. Step 3: Cross multiply
    144,586.74x = 199,529.67 × 80,924.54
  4. Step 4: Simplify right side
    144,586.74x = 16,146,845,763.45
  5. Step 5: Solve for x
    x = 16,146,845,763.45/144,586.74
  6. Step 6: Final answer
    x = 111,675.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.